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Finding the Fourth Proportional to 19,324, 28,986 and 4,732

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Solution

The fourth proportional to 19,324, 28,986 and 4,732 is: 7,098

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,324 : 28,986 = 4,732 : x
  2. Step 2: Convert to fraction form
    19,324/28,986 = 4,732/x
  3. Step 3: Cross multiply
    19,324x = 28,986 × 4,732
  4. Step 4: Simplify right side
    19,324x = 137,161,752
  5. Step 5: Solve for x
    x = 137,161,752/19,324
  6. Step 6: Final answer
    x = 7,098

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.